Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Bengali
চাখা
→
Assamese
চকা
(cognate)
→
Assamese
চাক
(cognate)
→
Marathi
चाखणे
(cognate)